| Primary satellite | Secondary satellite |
| Name | CZ-6A DEB | SSETI-EXPRESS DEB |
| Spacetrack catalog number | 54411 | 28897 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 11:59 | 2024 Dec 23 08:31 |
| Time of closest approach (UTC) | 2024 Dec 25 08:04:22.816 |
| Minimum distance | 4.487 km |
| Height difference | -4.158 km |
| Relative speed | 13.311 km/s |
| Angle between velocity vectors | 123° |
| Geographic position | 72.1°N, 129.4°E |
| Height | 665 km |
|